2 - [mon.a, mgr.x, osd.0, osd.1, client.0]
4 - volumes: # attached to each instance
11 - mkdir $TESTDIR/archive/ostest && cd $TESTDIR/archive/ostest && ulimit -Sn 16384 && CEPH_ARGS="--no-log-to-stderr --log-file $TESTDIR/archive/ceph_test_objectstore.log --debug-filestore 20 --debug-bluestore 20" ceph_test_objectstore --gtest_filter=-*/3 --gtest_catch_exceptions=0
12 - rm -rf $TESTDIR/archive/ostest